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By: Schowalter, D. (Tim) - Gunson, J. R. - Harder, Lawrence D.Type: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 3Date: 1979Page Range: 243--251Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Harder, Lawrence D.Type: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 4Date: 1979Page Range: 405--410Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: